.topbt a{
	background:url(../images/banner_bt_bk.png) left 0;
	color:#666;
	text-decoration:none;
	height:30px;
	float:left;
	cursor:hand;
	margin-top: 0;
	margin-right: 2px;
	margin-bottom: 0;
	margin-left: 0;
}

.topbt a.bt_banner:hover,.topbt a.current{background:url(../images/banner_bt_bk.png) left -30px;height:30px;}

.topbt a span{background:url(../images/banner_bt_bk.png) right 0;  padding:9px 23px 5px 18px; margin:0 0 0 4px; float:left; height:16px;}

.topbt a.bt_banner:hover span,.topbt a.current span{background:url(../images/banner_bt_bk.png) right -30px; color:#fff;  padding:9px 23px 2px 18px; margin:0 0 0 4px; height:16px; }

.topbth {background:url(../images/banner_bt_bk_h.png) left 0; color:#fff; text-decoration:none; height:30px; float:left; width:97;  margin:0 5 0 0; padding:9px 23px 2px 18px;}